B 501, a newly developed controller for missiles, has disappeared despite the strict surveillance. Phillippe Tissout is sent by his boss to Paris to take over the case.

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Main Cast: Pierre Brice, Heinz Drache, Daliah Lavi, Terence Hill, Jana Brejchová, Charles Regnier, Walter Giller, Gustav Knuth, Senta Berger, Anton Diffring

Director: Alfred Weidenmann

Writer: Herbert Reinecker

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Cinematographer:

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